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Konekti Blog

  • Redundancy in the AWS VPC

    Mar 22, 2018 | by Jeff Loughridge

    IT workloads require uninterrupted connectivity whether in the cloud or physical data centers. Network engineers know from experience that the elimination of single points of failure in the network is the key to high availability. One Internet edge router? Let’s make that two with one ISP circuit homed to each. Think you can get away with one core switch in your data center? Think again. Network engineers–much to the bean counters’ dismay–zealously add redundant network ...

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  • The March Toward Simplicity in Cloud Networking

    Feb 24, 2018 | by Jeff Loughridge

    The networking aspect of cloud networking is complex. Does it have to be? I’ll use this post to explain the complexities and how the industry is incentivized to simplify the secure and reliable movement of bits. I’ll primarily focus on AWS as it is the company is the industry leader. Developers familiar with public cloud generally know how to set-up simple topologies such as a VPC with public and private subnets. The providers make this easy with console wizards and sampl...

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  • AWS Availibility Zone Naming & Networking

    Feb 13, 2018 | by Jeff Loughridge

    AWS uses names such as us-west-1a to refer to a given availability zone (AZ) in a region. What you may not know is that AZ naming is intentionally inconsistent across accounts. In other words, the us-west-1a in the Konekti AWS production account is not necessarily the same as the us-west-1a in your account. AWS uses this to load balance workloads across accounts. Otherwise, the “1a” AZ in a region would receive more than its share of the load. This nondeterministic naming ...

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  • AWS CloudFormation Intrinsic Functions

    Jan 24, 2018 | by Jeff Loughridge

    AWS CloudFormation is a tool to create a template for your infrastructure. You can define AWS constructs using JSON or YAML. AWS’s documentation is well-suited for explaining the basic functionality and simple resource creation. After creating a few stacks, a newcomer would likely want to learn how to increase template portability and re-use with intrinsic functions. At this point, the reference material may be a bit daunting. This article will introduce CloudFormation in...

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  • The Journey Begins

    Nov 11, 2017 | by Jeff Loughridge

    Corporate IT infrastructure is in the midst of a massive transformation. While investments in physical “on-prem” infrastructure will not completely subside for the foreseeable future, the majority of enterprises are sold on the benefits of the public cloud. The cloud is no longer solely the domain of start-ups and high tech entities. Just as laptops without network connectivity are glorified paperweights, the success of cloud workloads are wholly dependent on a networking ...

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